CN105129979A - ABR anaerobic baffled reactor, and treatment method of high-salt and high-COD-concentration waste water - Google Patents
ABR anaerobic baffled reactor, and treatment method of high-salt and high-COD-concentration waste water Download PDFInfo
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- CN105129979A CN105129979A CN201510404552.3A CN201510404552A CN105129979A CN 105129979 A CN105129979 A CN 105129979A CN 201510404552 A CN201510404552 A CN 201510404552A CN 105129979 A CN105129979 A CN 105129979A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention discloses an ABR anaerobic baffled reactor and a method of treating high-salt and high-COD-concentration waste water therewith. The baffled reactor includes at least five cell chambers, wherein each cell chamber is provided with a sludge discharge tube. The first two cell chambers in the baffled reactor are provided with reflux. An elastic filling material is fixed in the cell chambers. Advantage microflora in the first two cell chambers is SRB while the advantage microflora in the last three cell chambers is MPB. When the baffled reactor is used for treating the high-salt and high-COD-concentration waste water, the reactor needs to be started at first and then phase separation of advantage microflora is achieved, and finally the high-salt and high-COD-concentration waste water is fed into the reactor for being treated. In the ABR anaerobic baffled reactor, different microorganism phases are formed in different cell chambers, so that the baffled reactor is quick to start, is less in influence on water discharge effect due to factors such as shock load and temperature and the like. The baffled reactor can reach more than 95% and more than 50% respectively in removal rates of salt and COD, can treat the waste water for a long period, and is stable in water discharge effect.
Description
Technical field
Embodiments of the present invention relate to industrial waste water purifying field, and more specifically, embodiments of the present invention relate to the treatment process of a kind of ABR anaerobic baffled reactor and high salt height COD concentration waste water.
Background technology
Along with the quickening of China's process of industrialization, many production fields can produce high slat-containing wastewater, in short supply along with industrial expansion and water resources, the high salt factory effluent pollution concentration that some industrial trades produce is more and more higher, composition becomes increasingly complex, quantity discharged is increasing, and the environmental stress brought is also increasing.Therefore, extremely urgent to the research of high salt industrial wastewater processing technology, exploring effective high salinity technology for treating industrial waste water has become one of focus of current wastewater treatment.Develop from Present Domestic, existing high salt industrial wastewater treatment development trend have following some:
1) statistic data of saliferous trade effluent aspect is lacked at present;
2) industry contains the organism of difficult for biological degradation in high-salt wastewater to the restraining effect of microorganism difficult point not yet;
3) simple biologic treating technique is difficult to reach emission standard;
4) electrochemical process is simple and efficient, but processing costs is high, and COD clearance is low;
5) turned to the comprehensive integration of technique, equipment, engineering by simple Study on Process with industrialization and economy, policy, standard comprehensive study;
6) materialization and biological process combination process process high-salt wastewater have better application prospect
[1].
High-salt wastewater process conventional at present comprises following method:
1) ion exchange process
Ion-exchange is a unit process, in this process, generally involves the permutoid reaction between the ion in solution and the gegenion on insoluble polymer (containing fixing negatively charged ion or positively charged ion).Adopt ion exchange method desalination time, waste water first through cationic exchange coloum, wherein positively charged ion (Na
+deng) by H
+replace and be trapped in exchange column; Afterwards, electronegative ion (SO
4 2-deng) in anion-exchange column by OH
-displacement, the OH displaced
-with the H in solution
+, to reach the object of desalination.But this method subject matter is the suspended solid in waste water can be blocked resin and lose effect, be exactly that regeneration of ion-exchange resin needs high expense and the very difficult process of the refuse exchanged in addition.
2) membrane separation process
Membrane separation technique utilizes film to be separated the diactinic difference of compositional selecting each in mixture, purifies and the new separation technology of concentrated target substance.Membrane technique conventional at present has ultrafiltration, micro-filtration, electrodialysis and reverse osmosis.When ultrafiltration wherein, micro-filtration are used for the process of high-salt wastewater, effectively can not remove the salinity in sewage, but can effectively catching suspended solids (SS) and colloid COD; Electrodialysis (electrodialysis) and reverse osmosis (RO) technology are effective and the most the most frequently used desalting technologies, in addition, reverse osmosis technology can also remove part dissolved organic matter, this is that other desalting technologies can not reach, but because its processing cost is high, operating experience is not enough, the application of reverse osmosis technology in municipal sewage treatment and Industrial Wastewater Treatment receives a definite limitation.If when the shortcoming of membrane technique method is organic concentration height in waste water, film is easily contaminated, thus causes operating process to be difficult to run well.Moreover it is high that tonne waste water carries out film processing cost, and enterprise is difficult to bear.
3) heating evaporation technique
Evaporation technology is one of modern chemical industry means of cell operation, namely with heating method, make the partial solvent in solution vaporize and be removed, to improve the concentration of solution, or for solute precipitation create conditions.Solar evaporation is the technology of kind of low cost, reached the object reducing wastewater volume, but the solid salt purity that this method finally obtains is not high, cannot reuse by the salinity in concentrated brine waste and organism.Though multiple-effect evaporator is more in chemical industry application, less to the case of brine waste process, do not have successful experience can be for reference, and the water quality of each enterprise brine waste differs greatly, evaporation process effect and processing costs be also different.Another because of the singularity of waste water itself and the complicacy of composition, the sodium-chlor steamed and mixing salt quality need to be verified.Physical chemistry method is higher due to working cost, also can bring secondary pollution, is therefore often used to the Wastewater Pretreatment stage.
4) conventional activated sludge process
Traditional activated sludge process is one of bioremediation generally adopted, in high salinity environment, biological activity and organic removal rate are improved, microorganism growth is not suppressed, facilitate the growth of some halophilic bacterium on the contrary, reaction microorganism concn is increased, also improves the flocculence of mud.In the method, turning out the salt-durable microbe with good organic matter degradation performance by the domestication process of active sludge is the important prerequisite processing high salt organic waste water, but the flora in active sludge is separated, cultivation is difficult to reach ideal effect.
5) SBR and improved technology thereof
Sequencing batch active sludge (SBR) and improved technology thereof are a kind of waste water treatment process being different from traditional active sludge, its reaction mechanism and the removal mechanisms at work of pollution substance substantially identical with traditional activated sludge process, only operation is different.Pass through the mud of domestication mainly based on zoogloea and a small amount of protozoon, bacterial flora form is relatively less.When the waste water of high salt height COD concentration is processed, the clearance of salt is subject to the impact of bacterial flora, kind and the content of salt need be considered the cultivation of bacterial flora.
6) Biological Contact Oxidation Process
Biomembrance process has stronger toxin immunity and anti impulsion load ability, higher sludge age can be maintained, biophase is relatively stable, volumetric loading is higher, hydraulic detention time comparatively conventional activated sludge method shortens dramatically, but in this technique, salinity and organic loading have obvious restraining effect to system, keep good effluent quality, must control salinity and organic loading.
7) anaerobism and improved technology thereof
Anaerobic treatment process is for stable organic matter density and kind, and anti-shock loading has very important effect, improves the biodegradability of waste water, reduces the toxicity of waste water, improves degradation efficiency.Restraining effect that what in traditional single phase anaerobic technique, the influencing mechanism of salinity (as vitriol) reductive action to anaerobic digestion comprised that sulphate reducing bacteria (SRB) and methanogen (MPB) compete that common substrate produces touch and the hydrogen sulfide that produces due to sulfate reduction are to the secondary restraining effect of MPB and other anerobes.
Above-mentioned various method of wastewater treatment all has its advantage, but its working method is complicated or cost is high, and when high salt height COD concentration waste water is processed, the be hit impact of the factor such as load, temperature of outlet effect is large, specific cultivation dominant bacteria is difficult at bacteria group culture with in being separated, its flora need to improve in the adaptability of the adaptability of high salt concentration and high COD concentration and salt and COD clearance, reaches desirable decontamination effect improving to realize processing the waste water of high salt height COD concentration.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, the embodiment of the treatment process of a kind of ABR anaerobic baffled reactor and high salt height COD concentration waste water is provided, to expect to cultivate dominant bacteria in ABR anaerobic baffled reactor, realize the process to high salt height COD concentration trade effluent.
For solving above-mentioned technical problem, one embodiment of the present invention by the following technical solutions:
A kind of ABR anaerobic baffled reactor, it comprises waste water tank, ABR traverse baffle reaction chamber and the water bath of pipeline connection is passed through with waste water tank, described pipeline arranges intake pump, described ABR traverse baffle reaction chamber is placed in water bath, ABR traverse baffle reaction chamber arranges water purification water outlet and waste gas collection device, described ABR traverse baffle reaction chamber comprises five serial communication, allow the lattice room that waste water flows through one by one, each lattice room arranges shore pipe, described water bath corresponds to shore pipe place and arranges mud mouth, when waste water flows into ABR traverse baffle reaction chamber, between first lattice room of process and last lattice room, return of waste water pipeline is set, each described lattice indoor are fixed with elastic filler, and described elastic filler accounts for 1/4 ~ 1/3 of the reaction lattice room useful space, the dominant microflora of the first two lattice room of described ABR traverse baffle reaction chamber is SRB, and the dominant microflora of rear three lattice rooms is MPB.Here " the first two lattice room " is first lattice room and second lattice room of sewage process when entering ABR anaerobic baffled reactor, other three lattice rooms be after sewage through three lattice rooms, i.e. " rear three lattice rooms ".Dominant microflora refers to that in lattice room, a certain bacterial classification quantity is maximum, and vigor is the strongest.
Further technical scheme is: described elastic filler is that polyolefins or polymeric amide strand intert and be fixed on axial cord, described strand spatially, radial evenly distributed.
Further technical scheme is: be provided with under meter between described intake pump and water bath, and convenient control waste water enters the flow of ABR anaerobic baffled reactor.
Further technical scheme is: described water bath is provided with whipping appts and temperature-control device.
Further technical scheme is: the specification of described ABR traverse baffle reaction chamber is as follows: height 40 ~ 70cm, exceeds water bath height 10cm, wide 8 ~ 15cm, long 50 ~ 80m, the wide 3 ~ 7cm of downstream room, the wide 6 ~ 10cm of upstream room, 40 ~ 50 °, flap turning, flap bottom is far from 3 ~ 7cm at the bottom of pond.
Further technical scheme is: the specification of described water bath is as follows: length 80 ~ 100cm, width 25 ~ 40cm, height 30 ~ 60cm.
Further technical scheme is: the making material of described ABR anaerobic baffle plate reaction chamber is synthetic glass.
Further technical scheme is: described waste gas collection device is communicated with latter two lattice room with the first two of five lattice rooms respectively by pipeline, and waste gas collection device is built with alkali lye.
A treatment process for high salt height COD concentration waste water, it comprises the following steps:
The unloading phase of A, ABR anaerobic baffled reactor
First be that the PH of 580 ~ 2000mg/L waste water is adjusted to 8 by COD concentration, then imported in first lattice room of ABR anaerobic baffled reactor, under 34 ~ 36 DEG C of water bath condition, waste water flows through each lattice room one by one and reacts in ABR anaerobic baffled reactor, and control hydraulic detention time is 36h; The water 55 ~ 65% flowing out last lattice room of ABR anaerobic baffled reactor is back in first lattice room of ABR anaerobic baffled reactor; After this stage maintains 60 days, the salt of the water after check processing and the clearance of COD, when the clearance of the continuous salt that records for 5 ~ 7 days and COD is stablized, unloading phase, completes;
B, ABR anaerobic baffled reactor flora is separated cultivation stage
After ABR anaerobic baffled reactor has started, be that the PH of 2001 ~ 6000mg/L waste water is adjusted to 8 by COD concentration, then imported in first lattice room of ABR anaerobic baffled reactor, under 34 ~ 36 DEG C of water bath condition, waste water flows through each lattice room one by one and reacts in ABR anaerobic baffled reactor, and control hydraulic detention time is 36h; The water 55 ~ 65% flowing out last lattice room of ABR anaerobic baffled reactor is back in first lattice room of ABR anaerobic baffled reactor; The salt of the water in this stage after check processing and COD clearance, when the clearance of the continuous salt recorded for 5 ~ 7 days reach more than 95%, the clearance of COD reach more than 50% time, the flora cultivation that is separated completes;
C, wastewater treatment stage
Flora is separated after cultivation completes, be that the PH of the waste water of more than 6000mg/L is adjusted to 8 by COD concentration, then imported in first lattice room of ABR anaerobic baffled reactor, under 34 ~ 36 DEG C of water bath condition, waste water flows through each lattice room one by one and reacts in ABR anaerobic baffled reactor, and control hydraulic detention time is 24h; Namely the water flowing out ABR anaerobic baffled reactor be water purification.
Unloading phase complete after, under anaerobic environment, sulphate reducing bacteria (SRB) is final electron acceptor(EA) with vitriol, by in water etc. high-valence state oxysulfide (as vitriol) be reduced to the sulfide of lower valency, because itself and methanogen (MPB) are with acetic acid and H
2as main matrix, and SRB more preponderates than MPB in substrate competition.Along with waste water is in the not change of the residence time between apposition room, its sulphate content also reduces gradually, and after this MPB just occupies dominant advantage.Just because of so heterogeneous environment, in the process that Pollutants in Wastewater is removed, device not apposition room also form different anaerobion systems, achieves being separated of SRB and MPB.
Further technical scheme is: in described steps A and step B, and the water 60% flowing out ABR anaerobic baffled reactor is back in first lattice room of ABR anaerobic baffled reactor.Method of wastewater treatment of the present invention adopts Low loading start up, and unloading phase be back in ABR anaerobic baffled reactor by 60% of water outlet, by the concentration of diluting water inlet that constantly refluxes, thus improve the volumetric loading of ABR anaerobic baffled reactor.ABR anaerobic baffled reactor, by the different wastewater treatment stage, has cultivated high-quality flora, make waste water in ABR anaerobic baffled reactor not apposition room define different anaerobion systems, achieve being separated of SRB and MPB dominant microflora.
Corrosion resistant has been screened in elastic filler, heatproof, ageing-resistant polyolefins and polymeric amide silk ribbon, mixing is with hydrophilic, absorption, the auxiliary agents such as heat resistanceheat resistant oxygen, adopt special wire drawing, strand hair technique, strand is interted and anchors at corrosion resistant, on the axial cord of high strength, strand is arranged should spatially shape, should there be microwaviness on strand surface, hard and soft appropriateness, strand is evenly distributed radiation regimes spatially, make the monomer of suspension type 3 D elastic filler, filler evenly can be unfolded and is abound with by stereoscopic and omnibearing in effective area, make gas, water, microbial film obtains fully mixed oozing and contacts exchange, microbial film can not only equably implantation on each rhizoid bar, keep good activity and space mutability, and more and more large specific surface area can be obtained in operational process, good metabolism can be carried out again.This filler is compared with other rigid class fillers, and pore changeable is large, does not block; Compared with soft class filler, the material life-span is long, and adhesion meets group; Compared with semi soft packing, surface-area is large, biofilm is rapid, cheap.
Compared with prior art, one of beneficial effect of the present invention is: ABR anaerobic baffled reactor of the present invention is applicable to carry out purifying treatment to the trade effluent of high salt height COD concentration, adopt this combination process can form the microbial of different shape difference in functionality to a certain degree in not apposition room, and can specific dominant bacteria be trained for a certain area, start fast, higher clearance is ensured under the common existent condition of high salt height COD concentration, outlet effect is hit load, the factor impacts such as temperature are little, more than 95% and more than 50% are reached respectively to the clearance of salt in waste water and COD, and can process waste water for a long time, outlet effect is stablized.
Accompanying drawing explanation
Fig. 1 is the structural representation of the ABR anaerobic baffled reactor for high COD concentration waste water of the present invention.
Fig. 2 is COD evolution with distance figure of the present invention.
Fig. 3 is SO of the present invention
4 2-evolution with distance figure.
Fig. 4 is the present invention first lattice room granule sludge surface microorganism Electronic Speculum figure.
Fig. 5 is the inner microorganism Electronic Speculum figure of the present invention second lattice room granule sludge.
Fig. 6 is the inner microorganism Electronic Speculum figure of the present invention the 3rd lattice room granule sludge.
Fig. 7 is the present invention the 4th lattice room granule sludge surface microorganism Electronic Speculum figure.
Fig. 8 is the present invention the 5th lattice room granule sludge surface microorganism Electronic Speculum figure.
Fig. 9 is the inner microorganism Electronic Speculum figure of the present invention the 5th lattice room granule sludge.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, the making material of device of the present invention is synthetic glass, its structure comprises waste water tank 1, ABR traverse baffle reaction chamber 2 and the water bath 3 of pipeline connection is passed through with waste water tank, pipeline is arranged intake pump 4, ABR traverse baffle reaction chamber 2 is placed in water bath 3, under meter 10 is provided with between intake pump 4 and water bath 3, water bath 3 is provided with whipping appts 11 and temperature-control device 12, ABR traverse baffle reaction chamber 3 arranges water purification water outlet 5 and waste gas collection device 6, ABR traverse baffle reaction chamber comprises five serial communication, allow the lattice room 7 that waste water flows through one by one, being communicated with latter two lattice room with the first two of five lattice rooms respectively by pipeline of described waste gas collection device, waste gas collection device is built with alkali lye.Each lattice room arranges shore pipe, and water bath corresponds to shore pipe place and arranges mud mouth, arranges return of waste water pipeline 8 when waste water flows into ABR traverse baffle reaction chamber between first lattice room of process and last lattice room; Each described lattice indoor are fixed with elastic filler 9, and elastic filler 9 is fixed on axial cord for polyolefins or polymeric amide strand intert, this strand spatially, radial evenly distributed, elastic filler accounts for 1/4 ~ 1/3 of the reaction lattice room useful space; The dominant microflora of the first two lattice room of ABR traverse baffle reaction chamber is SRB, and the dominant microflora of rear three lattice rooms is MPB.
The specification of ABR traverse baffle reaction chamber is as follows: height 40 ~ 70cm, exceeds water bath height 10cm, wide 8 ~ 15cm, long 50 ~ 80m, the wide 3 ~ 7cm of downstream room, the wide 6 ~ 10cm of upstream room, 40 ~ 50 °, flap turning, and flap bottom is far from 3 ~ 7cm at the bottom of pond.The specification of water bath is as follows: length 80 ~ 100cm, width 25 ~ 40cm, height 30 ~ 60cm.
The present invention adopts the specific embodiment of said apparatus process height salt height COD concentration waste water as follows:
Embodiment 1
First be that the PH of 580mg/L waste water is adjusted to 8 by COD concentration, vitriol containing high density in this waste water, its concentration is about 10671mg/L, then imported in first lattice room of ABR anaerobic baffled reactor, under 34 DEG C of water bath condition, waste water flows through each lattice room one by one and reacts in ABR anaerobic baffled reactor, and control hydraulic detention time is 36h; The water 60% flowing out last lattice room of ABR anaerobic baffled reactor is back in first lattice room of ABR anaerobic baffled reactor, by the concentration of diluting water inlet that constantly refluxes, thus improves the volumetric loading of ABR anaerobic baffled reactor; After this stage maintains 60 days, the salt of the water after check processing and the clearance of COD, the salt recorded for 61st ~ 65 days and the clearance of COD are stablized, and are respectively 79.82% and 52.87%, unloading phase, completes.
After ABR anaerobic baffled reactor has started, be that the PH of 2500mg/L waste water is adjusted to 8 by COD concentration, then imported in first lattice room of ABR anaerobic baffled reactor, under 36 DEG C of water bath condition, waste water flows through each lattice room one by one and reacts in ABR anaerobic baffled reactor, and control hydraulic detention time is 36h; The water 60% flowing out last lattice room of ABR anaerobic baffled reactor is back in first lattice room of ABR anaerobic baffled reactor; The salt of the water in this stage after check processing and COD clearance, after one month, the clearance of the continuous salt recorded for 5 ~ 7 days reaches 96%, the clearance of COD reaches 51%, and the flora cultivation that is separated completes.
Flora is separated after cultivation completes, be that the PH of the waste water of 8000mg/L is adjusted to 8 by COD concentration, then imported in first lattice room of ABR anaerobic baffled reactor, under 35 DEG C of water bath condition, waste water flows through each lattice room one by one and reacts in ABR anaerobic baffled reactor, and control hydraulic detention time is 24h; Namely the water flowing out ABR anaerobic baffled reactor be water purification.
As shown in Figure 2, COD clearance is about 51% to the present embodiment COD evolution with distance, and increases with volumetric loading, and the amplitude of change diminishes.
The present embodiment SO
4 2-evolution with distance as shown in Figure 3, SO
4 2-clearance be about about 95%.
After the above-mentioned wastewater treatment stage, the each lattice room of reactor all forms the granule sludge of a small amount of certain particle diameter, color is black, as shown in Fig. 4 ~ 9, first lattice room sludge returning 0.5 ~ 5mm, second lattice room 0.5 ~ 2.5mm, 3rd lattice room 0.5 ~ 3mm, 4th lattice room 0.5 ~ 3mm, > second lattice room > the 5th lattice room, 5th lattice room 0.5 ~ 2.5mm, Average Particle Diameters first lattice room > the 3rd lattice room > the 4th lattice room.Can see that HABR reactor has turned out a set of microorganism system being applicable to high concentration sulfate wastewater process by stereoscan photograph, the microbial of different shape difference in functionality is defined in each lattice indoor, and in this cover system, the main dominant microflora in the first two lattice room is SRB, the dominant microflora of rear three lattice rooms is MPB, can be used for post-directed training.
Embodiment 2
First be that the PH of 2000mg/L waste water is adjusted to 8 by COD concentration, then imported in first lattice room of ABR anaerobic baffled reactor, under 36 DEG C of water bath condition, waste water flows through each lattice room one by one and reacts in ABR anaerobic baffled reactor, and control hydraulic detention time is 36h; The water 55% flowing out last lattice room of ABR anaerobic baffled reactor is back in first lattice room of ABR anaerobic baffled reactor; After this stage maintains 70 days, the salt of the water after check processing and the clearance of COD, the salt recorded for 72nd ~ 77 days and the clearance of COD are stablized, and be respectively 95% and 48.1%, unloading phase completes.
After ABR anaerobic baffled reactor has started, be that the PH of 6000mg/L waste water is adjusted to 8 by COD concentration, then imported in first lattice room of ABR anaerobic baffled reactor, under 34 DEG C of water bath condition, waste water flows through each lattice room one by one and reacts in ABR anaerobic baffled reactor, and control hydraulic detention time is 36h; The water 55% flowing out last lattice room of ABR anaerobic baffled reactor is back in first lattice room of ABR anaerobic baffled reactor; The salt of the water in this stage after check processing and COD clearance, after one month, the clearance of the continuous salt recorded for 7 days reaches 96%, the clearance of COD reaches 53%, and the flora cultivation that is separated completes.
Flora is separated after cultivation completes, be that the PH of the waste water of 9000mg/L is adjusted to 8 by COD concentration, then imported in first lattice room of ABR anaerobic baffled reactor, under 35 DEG C of water bath condition, waste water flows through each lattice room one by one and reacts in ABR anaerobic baffled reactor, and control hydraulic detention time is 24h; Namely the water flowing out ABR anaerobic baffled reactor be water purification.
Embodiment 3
First be that the PH of 1500mg/L waste water is adjusted to 8 by COD concentration, then imported in first lattice room of ABR anaerobic baffled reactor, under 35 DEG C of water bath condition, waste water flows through each lattice room one by one and reacts in ABR anaerobic baffled reactor, and control hydraulic detention time is 36h; The water 65% flowing out last lattice room of ABR anaerobic baffled reactor is back in first lattice room of ABR anaerobic baffled reactor; After this stage maintains 60 days, the salt of the water after check processing and the clearance of COD, the salt recorded for 65th ~ 71 days and the clearance of COD are stablized, and be respectively 95% and 37.1%, unloading phase completes.
After ABR anaerobic baffled reactor has started, be that the PH of 4500mg/L waste water is adjusted to 8 by COD concentration, then imported in first lattice room of ABR anaerobic baffled reactor, under 35 DEG C of water bath condition, waste water flows through each lattice room one by one and reacts in ABR anaerobic baffled reactor, and control hydraulic detention time is 36h; The water 65% flowing out last lattice room of ABR anaerobic baffled reactor is back in first lattice room of ABR anaerobic baffled reactor; The salt of the water in this stage after check processing and COD clearance, after one month, the clearance of the continuous salt recorded for 7 days reaches 96%, the clearance of COD reaches 53%, and the flora cultivation that is separated completes.
Flora is separated after cultivation completes, be that the PH of the waste water of 7500mg/L is adjusted to 8 by COD concentration, then imported in first lattice room of ABR anaerobic baffled reactor, under 35 DEG C of water bath condition, waste water flows through each lattice room one by one and reacts in ABR anaerobic baffled reactor, and control hydraulic detention time is 24h; Namely the water flowing out ABR anaerobic baffled reactor be water purification.
Although with reference to multiple explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of, accompanying drawing open in the application and claim, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (10)
1. an ABR anaerobic baffled reactor, it comprises waste water tank (1), ABR traverse baffle reaction chamber (2) and the water bath (3) of pipeline connection is passed through with waste water tank, described pipeline is arranged intake pump (4), described ABR traverse baffle reaction chamber (2) is placed in water bath (3), ABR traverse baffle reaction chamber (3) arranges water purification water outlet (5) and waste gas collection device (6), it is characterized in that: described ABR traverse baffle reaction chamber comprises five serial communication, allow the lattice room (7) that waste water flows through one by one, each lattice room arranges shore pipe, described water bath corresponds to shore pipe place and arranges mud mouth, when waste water flows into ABR traverse baffle reaction chamber, between first lattice room of process and last lattice room, return of waste water pipeline (8) is set, each described lattice indoor are fixed with elastic filler (9), and described elastic filler accounts for 1/4 ~ 1/3 of the reaction lattice room useful space, the dominant microflora of the first two lattice room of described ABR traverse baffle reaction chamber is SRB, and the dominant microflora of rear three lattice rooms is MPB.
2. ABR anaerobic baffled reactor according to claim 1, is characterized in that described elastic filler (9) is fixed on axial cord for polyolefins or polymeric amide strand intert, described strand spatially, radial evenly distributed.
3. ABR anaerobic baffled reactor according to claim 1, is characterized in that being provided with under meter (10) between described intake pump (4) and water bath (3).
4. ABR anaerobic baffled reactor according to claim 1, is characterized in that described water bath (3) is provided with whipping appts (11) and temperature-control device (12).
5. ABR anaerobic baffled reactor according to claim 1, it is characterized in that the specification of described ABR traverse baffle reaction chamber (2) is as follows: height 40 ~ 70cm, exceed water bath height 10cm, wide 8 ~ 15cm, long 50 ~ 80m, the wide 3 ~ 7cm of downstream room, the wide 6 ~ 10cm of upstream room, 40 ~ 50 °, flap turning, flap bottom is far from 3 ~ 7cm at the bottom of pond.
6. ABR anaerobic baffled reactor according to claim 5, is characterized in that the specification of described water bath (3) is as follows: length 80 ~ 100cm, width 25 ~ 40cm, height 30 ~ 60cm.
7. ABR anaerobic baffled reactor according to claim 1, is characterized in that the making material of described ABR anaerobic baffle plate reaction chamber (2) is synthetic glass.
8. ABR anaerobic baffled reactor according to claim 1, it is characterized in that described waste gas collection device is communicated with latter two lattice room with the first two of five lattice rooms respectively by pipeline, waste gas collection device is built with alkali lye.
9. a treatment process for high salt height COD concentration waste water, is characterized in that it comprises the following steps:
The unloading phase of A, ABR anaerobic baffled reactor
First be that the PH of 580 ~ 2000mg/L waste water is adjusted to 8 by COD concentration, then imported in first lattice room of ABR anaerobic baffled reactor, under 34 ~ 36 DEG C of water bath condition, waste water flows through each lattice room one by one and reacts in ABR anaerobic baffled reactor, and control hydraulic detention time is 36h; The water 55 ~ 65% flowing out last lattice room of ABR anaerobic baffled reactor is back in first lattice room of ABR anaerobic baffled reactor; After this stage maintains 60 days, the salt of the water after check processing and the clearance of COD, when the clearance of the continuous salt that records for 5 ~ 7 days and COD is stablized, unloading phase, completes;
B, ABR anaerobic baffled reactor flora is separated cultivation stage
After ABR anaerobic baffled reactor has started, be that the PH of 2001 ~ 6000mg/L waste water is adjusted to 8 by COD concentration, then imported in first lattice room of ABR anaerobic baffled reactor, under 34 ~ 36 DEG C of water bath condition, waste water flows through each lattice room one by one and reacts in ABR anaerobic baffled reactor, and control hydraulic detention time is 36h; The water 55 ~ 65% flowing out last lattice room of ABR anaerobic baffled reactor is back in first lattice room of ABR anaerobic baffled reactor; The salt of the water in this stage after check processing and COD clearance, when the clearance of the continuous salt recorded for 5 ~ 7 days reach more than 95%, the clearance of COD reach more than 50% time, the flora cultivation that is separated completes;
C, wastewater treatment stage
Flora is separated after cultivation completes, be that the PH of the waste water of more than 6000mg/L is adjusted to 8 by COD concentration, then imported in first lattice room of ABR anaerobic baffled reactor, under 34 ~ 36 DEG C of water bath condition, waste water flows through each lattice room one by one and reacts in ABR anaerobic baffled reactor, and control hydraulic detention time is 24h; Namely the water flowing out ABR anaerobic baffled reactor be water purification.
10. the treatment process of high salt height COD concentration waste water according to claim 9, is characterized in that in described steps A and step B, and the water 60% flowing out ABR anaerobic baffled reactor is back in first lattice room of ABR anaerobic baffled reactor.
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